[InvalidOperationException: 當目前沒有資料時,嘗試讀取無效。]
System.Data.SqlClient.SqlDataReader.CheckDataIsReady(Int32 columnIndex, Boolean allowPartiallyReadColumn, Boolean permitAsync, String methodName) +2734911
System.Data.SqlClient.SqlDataReader.TryReadColumn(Int32 i, Boolean setTimeout, Boolean allowPartiallyReadColumn) +54
System.Data.SqlClient.SqlDataReader.GetValueInternal(Int32 i) +41
System.Data.SqlClient.SqlDataReader.GetValue(Int32 i) +92
Hotel.Go() +382
Hotel.Page_PreRenderComplete(Object sender, EventArgs e) +75
System.Web.UI.Page.OnPreRenderComplete(EventArgs e) +11854892
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +7387
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